CN104608499B - Liquid ejecting apparatus and maintenance method thereof - Google Patents
Liquid ejecting apparatus and maintenance method thereof Download PDFInfo
- Publication number
- CN104608499B CN104608499B CN201510067526.6A CN201510067526A CN104608499B CN 104608499 B CN104608499 B CN 104608499B CN 201510067526 A CN201510067526 A CN 201510067526A CN 104608499 B CN104608499 B CN 104608499B
- Authority
- CN
- China
- Prior art keywords
- liquid
- path
- ink
- jet head
- injection apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 326
- 238000000034 method Methods 0.000 title description 12
- 238000012423 maintenance Methods 0.000 title description 4
- 238000003860 storage Methods 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims description 67
- 239000007924 injection Substances 0.000 claims description 67
- 239000007921 spray Substances 0.000 claims description 23
- 230000005499 meniscus Effects 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 230000003467 diminishing effect Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 31
- 239000007787 solid Substances 0.000 description 12
- 210000000635 valve cell Anatomy 0.000 description 10
- 238000002955 isolation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000005507 spraying Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008531 maintenance mechanism Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000000018 DNA microarray Methods 0.000 description 1
- 206010019133 Hangover Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000003049 inorganic solvent Substances 0.000 description 1
- 229910001867 inorganic solvent Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17596—Ink pumps, ink valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
- B41J2/16508—Caps, spittoons or covers for cleaning or preventing drying out connected with the printer frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
- B41J2/16526—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying pressure only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17566—Ink level or ink residue control
Landscapes
- Ink Jet (AREA)
- Coating Apparatus (AREA)
Abstract
A liquid ejecting apparatus includes a liquid ejection head for ejecting a liquid, a liquid storage unit which stores the liquid therein, a first supply passage which supplies the liquid from the liquid storage unit to the liquid ejection head, a second supply passage which is provided separately from the first supply passage, and communicates with the liquid ejection head and the liquid storage unit, a liquid driving unit which is able to supply the liquid from the liquid ejection head toward the liquid storage unit in a forward direction in the second supply passage, and a cap unit which comes into close contact with the liquid ejection head so as to close each nozzle of the liquid ejection head. The liquid is supplied in the forward direction by the liquid driving unit in a state where the cap unit comes into close contact with the liquid ejection head.
Description
The application be on 2 15th, 2011 to China national Patent Office propose Application No. 201110040262.7, send out
The divisional application of bright entitled " maintaining methods of liquid injection apparatus and liquid injection apparatus " this application.
Technical field
The present invention relates to the maintaining method of liquid injection apparatus and liquid injection apparatus.
Background technology
As liquid injection apparatus, it is known to from the jet (nozzle) of record head (jet head liquid) to recording medium and sprays
Penetrate the ink-jet printer (being denoted as printer below) of ink (liquid).
Such printer possesses the tank of storage ink, by the providing ink in the tank to recording head, and from record head spray
Go out ink.Ink is generally made up of the dispersion liquid comprising dispersants such as solid state component and solvent such as pigment.
In the case of such ink used in printer, particularly when the power supply by printer disconnects, is maintained
During the state not used, it is possible to which the solid state component being accommodated in the ink in tank is separated and sunk (precipitate), ink
Solid component concentration becomes uneven situation.And, if producing the sinking of solid state component, solid component concentration like this
It is uneven, then when being again switched on power supply to spray ink, be printed after power supply disconnection, due to the solid state component sunk in tank
Intactly supplied to ink-jet rostral, so following unfavorable conditions can be produced:Cause the spray nozzle clogging of record head, make note
Record quality produces uneven.
Therefore, in order to prevent such unfavorable condition, be known to it is a kind of arrange will be used for the tank for storing (receive) ink with
Two feed paths of record head connection, make the recording equipment (printer) that ink is circulated between the record head and tank (for example
With reference to patent documentation 1).
【Patent documentation 1】Japanese Unexamined Patent Publication 2007-331281 publications
But, in the above-described configuration, due to making ink circulation, it is possible to causing gas to flow into from injector head.
The content of the invention
In view of situation as above, it is an object of the present invention to provide one kind can suppress gas in service action
The liquid injection apparatus flowed into from injector head and the maintaining method of liquid injection apparatus.
Liquid injection apparatus according to the present invention possess:Jet head liquid, the jet head liquid spray liquid from multiple nozzles
Body;Liquid storage part, the liquid storage part are used to store aforesaid liquid;First feed path, first feed path for from
Aforesaid liquid reservoir supplies aforesaid liquid to above-mentioned jet head liquid;Second feed path, second feed path with it is above-mentioned
First feed path is provided separately, for connecting aforesaid liquid injector head and aforesaid liquid reservoir;Liquid driven portion, the liquid
Drive division can be in above-mentioned second feed path along from aforesaid liquid injector head towards the positive direction of aforesaid liquid reservoir
Supply aforesaid liquid;With cap portion, the cap portion in the way of each nozzle of inaccessible aforesaid liquid injector head with aforesaid liquid injector head
It is closely sealed, in the state of making above-mentioned cap portion closely sealed with aforesaid liquid injector head, using aforesaid liquid drive division along above-mentioned pros
To supply aforesaid liquid.
According to the present invention, due to the first feed path from liquid storage part to jet head liquid for liquid;With
It is provided separately with first feed path, for connecting the second feed path of jet head liquid and liquid storage part, and makes
In the state of cap portion is closely sealed with jet head liquid, liquid is supplied to positive direction using the liquid driven portion for being arranged at the second feed path
Body, it is possible to liquid is supplied in the state of nozzle is closed.It is therefore possible to prevent during the service action that liquid is supplied to from
Nozzle flows into air.Also, can also prevent from spilling ink from nozzle.
According to above-mentioned liquid injection apparatus, in the state of making above-mentioned cap portion not closely sealed with aforesaid liquid injector head, with
The pressure of the meniscus of the liquid in maintenance said nozzle, supplies above-mentioned liquid along above-mentioned positive direction using aforesaid liquid drive division
Body.
According to the present invention, due in the state of making cap portion not closely sealed with jet head liquid, to maintain the liquid in nozzle
Meniscus pressure, liquid is supplied to positive direction using liquid driven portion, even if so in the feed speed of increase liquid
In the case of, it is also possible to maintain the meniscus of liquid.
According to above-mentioned liquid injection apparatus, above-mentioned first feed path is provided with check valve, on the check valve is allowed
State liquid to flow to above-mentioned jet head liquid from aforesaid liquid reservoir in above-mentioned first feed path, and limit above-mentioned liquid
Body flows from aforesaid liquid injector head to above-mentioned liquid storage part in above-mentioned first feed path, and aforesaid liquid drive division is arranged
In above-mentioned second feed path, and be formed as can be in above-mentioned second feed path along from aforesaid liquid reservoir direction
The opposite direction of aforesaid liquid injector head supplies liquid, in the state of making above-mentioned cap portion not closely sealed with aforesaid liquid injector head, profit
Liquid is supplied along above-mentioned opposite direction with above-mentioned liquid driven portion.
According to the present invention, when driving liquid driven portion according to the mode to opposite direction for liquid in the second feed path
When, liquid can be supplied to jet head liquid from liquid storage part.By the flowing of the liquid, what is be connected with jet head liquid
In first feed path, liquid flows from jet head liquid towards liquid storage part.On the other hand, due to being provided with to the direction
The check valve that limited of flowing, it is possible to preventing liquid from storing from jet head liquid to liquid in the first feed path
Flow backwards in portion.Therefore, by the driving in liquid driven portion, and using the liquid to jet head liquid flowing adding to jet head liquid
Pressure.Thus, as liquid can be made to discharge from nozzle, so the spray regime of nozzle can be maintained.
The present invention relates to the maintaining method of liquid injection apparatus, it is characterised in that aforesaid liquid injection apparatus possess:Liquid
Injector head, the jet head liquid spray liquid from multiple nozzles;Liquid storage part, the liquid storage part are used to store above-mentioned liquid
Body;First feed path, first feed path is for the above-mentioned liquid of supply from aforesaid liquid reservoir to above-mentioned jet head liquid
Body;Second feed path, second feed path are provided separately with above-mentioned first feed path, for connecting aforesaid liquid injection
Head and aforesaid liquid reservoir;Liquid driven portion, the liquid driven portion can be in above-mentioned second feed paths along from above-mentioned
Positive direction supply aforesaid liquid of the jet head liquid towards aforesaid liquid reservoir;With cap portion, the cap portion is with inaccessible aforesaid liquid
The mode of each nozzle of injector head is closely sealed with aforesaid liquid injector head, makes above-mentioned cap portion and the closely sealed shape of aforesaid liquid injector head
Under state, aforesaid liquid is supplied along above-mentioned positive direction using aforesaid liquid drive division.
According to the present invention, due in the state of making cap portion closely sealed with jet head liquid, using being arranged at the second supply road
The liquid driven portion in footpath supplies liquid to positive direction, so nozzle is closed during for liquid.Therefore, it is possible to prevent
Air is flowed into from nozzle during the service action that liquid is supplied to.Also, can also prevent from spilling ink from nozzle.
According to the maintaining method of above-mentioned liquid injection apparatus, during the power supply of aforesaid liquid injection apparatus is connected,
Aforesaid liquid is supplied along above-mentioned positive direction using aforesaid liquid drive division.
According to the present invention, due to during the power supply of liquid injection apparatus is connected, using liquid driven portion to positive direction
For liquid, it is possible to making the time needed for the supply of liquid be the short time.Thus, it is capable of achieving quick service action.
According to the maintaining method of above-mentioned liquid injection apparatus, make above-mentioned cap portion not closely sealed with aforesaid liquid injector head
Under state, supplied along above-mentioned positive direction using aforesaid liquid drive division with the pressure for maintaining the meniscus of the liquid in said nozzle
To aforesaid liquid.
According to the present invention, due in the state of making cap portion not closely sealed with jet head liquid, to maintain the liquid in nozzle
The pressure of meniscus liquid is supplied to positive direction by liquid driven portion, even if so feelings of feed speed in increase liquid
Under condition, it is also possible to maintain the meniscus of liquid.
According to the maintaining method of above-mentioned liquid injection apparatus, during the power supply of aforesaid liquid injection apparatus is connected,
And from from aforesaid liquid injector head injection aforesaid liquid during it is different during, using aforesaid liquid drive division along it is above-mentioned just
Direction supplies aforesaid liquid.
According to the present invention, due to during the power supply of liquid injection apparatus is connected, and spraying liquid with from jet head liquid
During body during difference, carry out supplying liquid to positive direction using liquid driven portion, it is possible to from the liquid jet
Head injection liquid during maintain the meniscus of liquid, while carrying out service action.
According to the maintaining method of above-mentioned liquid injection apparatus, above-mentioned first feed path is provided with check valve, the list
Allow that aforesaid liquid flows from aforesaid liquid reservoir to above-mentioned jet head liquid in above-mentioned first feed path to valve, and
Limit aforesaid liquid to flow from aforesaid liquid injector head to above-mentioned liquid storage part in above-mentioned first feed path, aforesaid liquid
Drive division is arranged at above-mentioned second feed path, and be formed as can be in above-mentioned second feed path along from aforesaid liquid
Reservoir supplies liquid towards the opposite direction of aforesaid liquid injector head, makes above-mentioned cap portion not closely sealed with aforesaid liquid injector head
Under state, liquid is supplied along above-mentioned opposite direction using aforesaid liquid drive division.
According to the present invention, when driving liquid driven portion according to the mode in the opposite direction for liquid in the second feed path
When, liquid can be supplied to jet head liquid from liquid storage part.By the flowing of the liquid, what is be connected with jet head liquid
In first feed path, liquid flows from jet head liquid towards liquid storage part.On the other hand, due to arranging the restricted party
To flowing check valve, it is possible to preventing the liquid in the first feed path from falling from jet head liquid to liquid storage part
Stream.Therefore, by the driving in liquid driven portion, and jet head liquid can be pressurizeed using the liquid to jet head liquid flowing.
Thus, due to can be from nozzle drain, so the spray regime of nozzle can be maintained.
According to the maintaining method of above-mentioned liquid injection apparatus, among multiple said nozzles of aforesaid liquid injector head
In the case that at least one spray regime is bad, above-mentioned liquid is supplied along above-mentioned positive direction using aforesaid liquid drive division
Body.
According to the present invention, as the spray regime of at least one of the multiple nozzles in jet head liquid is bad feelings
Under condition, carry out supplying liquid to positive direction using liquid driven portion, it is possible to the spray regime for improving nozzle is bad.
Description of the drawings
Fig. 1 is the skeleton diagram of the composition of the print apparatus for representing that embodiments of the present invention are related to.
Fig. 2 is the major part top view of injector head periphery.
Fig. 3 is that the nozzle opening for representing injector head forms the top view in face.
Fig. 4 is the figure of the section constitution for representing injector head.
Fig. 5 is the sectional view of the composition that outline represents valve cell UV.
Fig. 6 is the block diagram of the composition for representing print apparatus.
Fig. 7 is the figure of the action for representing print apparatus.
Fig. 8 is the figure of the action for representing print apparatus.
Fig. 9 is the figure of the action for representing print apparatus.
Figure 10 is other skeleton diagrams for constituting for representing print apparatus according to the present invention.
Symbol description:PRT, PRT2 ... print apparatus (liquid injection apparatus);IJ ... ink injections mechanism;CONT ... is controlled
Device processed;VU ... valve cells (check valve);RP ... supply pumps (liquid driven portion);RM ... ink receiving rooms;VB ... valves;SP ... is applied
Force mechanisms;F ... pliability parts;The first supply pipes of SR1 ... (the first feed path);The second supply pipes of SR2 ... (the second supply road
Footpath);11 ... injector heads (jet head liquid);12 ... providing ink portions (liquid storage part);13 ... nozzles.
Specific embodiment
Hereinafter, referring to the drawings, the embodiment of liquid injection apparatus according to the present invention is illustrated.Say in following
In bright used each accompanying drawing, in order to each part of liquid injection apparatus is formed as discernible size, suitably change each
The scale of part.In the present embodiment, as liquid injection apparatus, illustrate ink-jet printer device.
Fig. 1 is the schematic configuration diagram of the ink-jet printer (hereinafter referred to as print apparatus PRT) of present embodiment.Fig. 2
It is the major part top view of injector head periphery.Fig. 3 is that the nozzle opening for representing injector head forms the top view in face.
In FIG, XYZ orthogonal coordinate system is set sometimes, and the position relationship of each part is entered with reference to XYZ orthogonal coordinate system
Row explanation.In this case, the conveying direction of recording medium M is set to into X-direction (left and right directions of Fig. 1), by with injector head 11
The vertical direction of nozzle forming region 15 is set to Z-direction (above-below direction of Fig. 1), will with formed by X-direction axle and Z-direction axle
The vertical direction of XZ planes be set to Y-direction (the paper depth direction of Fig. 1).
As shown in these figures, print apparatus PRT is the device that image, word etc. are recorded to recording medium M.As note
Recording medium M, can be using paper, plastics etc..Print apparatus PRT has ink injection mechanism IJ, conveying mechanism CR, maintenance mechanism MN
And control device CONT.
Ink injection mechanism IJ is the part that ink droplet (liquid) is sprayed to recording medium M.Ink injection mechanism IJ has spray
Penetrate head (jet head liquid) 11 and providing ink portion 12.Ink used in present embodiment, adopts dyestuff or pigment, with will
Its dissolving or scattered solvent have been added as needed on the liquid body of various additives as basic composition.
Injector head 11 is the head of the ink droplet that multiple color can be sprayed to recording medium M.As shown in Fig. 2 injector head 11 is
Throughout length (the dominant record paper at least one side of full-size recording medium M more than the object for becoming print apparatus PRT
Width W), the line injector head with nozzle forming region 15.Injector head 11 is configured to move in z-direction.Injection
11 have nozzle 13 and the common ink hydroecium 14 shown in Fig. 4.
Common ink hydroecium 14 is e.g. kept and 4 color (yellow respectively:Y, magenta:M, cyan:C, black:K it is) corresponding
One chamber (common ink hydroecium 14Y, 14M, 14C, 14K) of ink.Nozzle forming region 15 and above-mentioned assorted public ink
Room 14 is correspondingly arranged (nozzle forming region 15Y, 15M, 15C, 15K).
Multiple nozzles 13, nozzle 13 are respectively arranged with nozzle forming region 15Y, 15M, 15C, 15K in injector head 11
It is the peristome for spraying above-mentioned 4 color ink drop.Multiple nozzles 13 are connected with a common ink hydroecium 14 respectively.As shown in figure 3, nozzle
13 are arranged with multiple (nozzle rows L) in the Y direction.For assorted nozzle forming region 15Y, 15M, 15C, 15K, 1 row are provided with
Or multiple row nozzle rows L.The quantity of nozzle 13, the quantity of nozzle rows L suitably can set.The face of nozzle 13 is set in injector head 11
Become jet face 11A.Jet face 11A is arranged on the-Z sides of injector head 11.Injector head 11 penetrates ink droplet to-Z side sprays.
Fig. 4 is the sectional view of the composition for representing injector head 11.
As shown in the drawing, injector head 11 possesses:Head main body 18, and be connected with head main body 18 stream formation unit 22.Stream
Road forms unit 22 and possesses oscillating plate 19, stream substrate 20 and nozzle plate 21.
Multiple piezoelectric elements 25 are provided with head main body 18, each piezoelectric element 25 is correspondingly arranged respectively with multiple nozzles 13.
Stream forms unit 22 to be possessed:Common ink hydroecium 14, and the common ink hydroecium 14 connection ink supply port 30, and
The pressure chamber 31 being connected with ink supply port 30.Pressure chamber 31 is correspondingly arranged with each nozzle 13.Each pressure chamber 31 with public affairs
The end of 14 opposition side of ink chamber and nozzle 13 connect altogether.
Nozzle plate 21 is with prescribed direction multiple nozzles 13 that (spacing) is formed at predetermined intervals.Nozzle plate 21
Outer surface is jet face 11A.
The injector head 11 for so constituting is transfused to drive signal by piezoelectric element 25 so that piezoelectric element 25 stretches.Pressure
The flexible deformation as oscillating plate 19 of electric device 25 is passed.Due to the deformation of oscillating plate 19 so that the volume of pressure chamber 31
Change, the pressure for being accommodated with the pressure chamber 31 of ink change.Using the variation of the pressure, from 13 jet ink of nozzle.
Conveying mechanism CR has feeding-in roll 35 and distributing roller 36 etc..Feeding-in roll 35, distributing roller 36 are by motor machine (not shown)
Structure rotation driving.Conveying mechanism CR is linked with the injection action of the ink droplet carried out by ink injection mechanism IJ, along transport path
MR conveying recording medium M.
Fig. 1 is returned to, providing ink portion (liquid storage part) 12 is configured in the side of ink injection mechanism IJ, with injection
11 each common ink hydroecium 14Y, 14M, 14C, 14K connection.The providing ink portion 12 has the ink of above-mentioned 4 chromatic ink of storage
Tank 12Y, 12M, 12C, 12K.
Providing ink portion 12 is connected with injector head 11 via the first supply pipe SR1 and the second supply pipe SR2.First supply
Pipe SR1 is the path (the first feed path) that ink is supplied from providing ink portion 12 to injector head 11.In the first supply pipe SR1
It is provided with valve cell VU.Second supply pipe SR2 is path (the second supply road for connecting providing ink portion 12 and injector head 11
Footpath).Supply pump (liquid driven portion) RP is provided with the second supply pipe SR2.According to the driving direction of supply pump RP, produce from
Providing ink portion 12 supplies the flowing in the direction of ink and ink is supplied from injector head 11 to providing ink portion 12 to injector head 11
Direction flowing.
Fig. 5 is the sectional view of the composition that outline represents valve cell VU.
Ink receiving room RM is formed in the inside that receiving room forms part 50.Receiving room forms the right and left in figure of part 50
To central part there is isolation part 51.Ink receiving room RM is isolated portion 51 and is divided into the first room (recess) R1 and second Room R2.
Interconnecting part 52 is formed with isolation part 51.The first Room R1 in ink receiving room RM is via the first supply pipe SR1 and providing ink
Portion 12 connects.Second Room R2 is connected with injector head 11 via first supply pipe SR1.First Room R1 and second Room R2 are via connecting
Portion 52 connects.So, according to providing ink portion 12, the first supply pipe SR1 (12 side of providing ink portion), the first Room R1, interconnecting part
52nd, second Room R2,11 such order of the first supply pipe SR1 (11 side of injector head) and injector head, connect from providing ink portion 12
Pass to injector head 11.
Receiving room is formed in the wall portion of the first Room of encirclement R1 of part 50, (left in figure in the part different from isolation part 51
End) it is formed with peristome.The peristome is formed as the ft connection of the first Room R1 and ink receiving room RM.It is viscous to the peristome
Pliability part F is posted, makes peristome become blocked state using pliability part F.
Valve VB is arranged across the first Room R1 and second Room R2.Valve VB has plate-like portion V1, flange part V2 and axle portion V3.
Plate-like portion V1 is bonding with pliability part F.Flange part V2 is arranged in second Room R2.Flange part V2 is arranged on second Room R2
It is interior.The sealing V4 for inaccessible interconnecting part 52 is formed with flange part V2.Abutted with isolation part 51 by sealing V4,
To cut off interconnecting part 52.
Axle portion V3 insertion interconnecting part 52 and configure.Plate-like portion V1 and flange part V2 are connected by axle portion V3.Valve VB passes through can
The direction flexure that flexible part F is reduced along the internal volume of ink receiving room RM, makes sealing V4 leave from isolation part 51, so as to
Open interconnecting part 52.
Force application mechanism SP is configured between plate-like portion V1 and isolation part 51.As force application mechanism SP, spring is preferably used
Part etc..Force application mechanism SP left sides (from the direction that isolation part 51 is left) towards in figure exert a force to plate-like portion V1, so that pliability portion
The direction flexure that part F increases to the internal volume in the first Room R1.The active force of force application mechanism SP is set to:In ink receiving room
The pressure ratio authorized pressure hour of RM, sealing V4 open interconnecting part 52, when in addition, sealing V4 blocking interconnecting parts
52。
In the case of from 11 jet ink of injector head, as sealing V4 interdicts interconnecting part 52, so from the first Room R1
Stream to injector head 11 becomes negative pressure.When the power for bending based on the negative pressure pliability part F is than the work of force application mechanism SP
When firmly big, pliability part F bends and opens interconnecting part 52.
As the first Room R1 is connected with injector head 11, second Room R2 is connected with providing ink portion 12, so ink is from second
Room R2 is supplied to the first Room R1 sides by interconnecting part 52.It is negative from the first Room R1 to injector head 11 when making due to being supplied to ink
Buckling hour, the active force of force application mechanism SP become bigger than the negative pressure, and sealing V4 becomes the state for having interdicted interconnecting part 52.
So, valve cell VU has following effects:Make injector head 11 become negative pressure from the first Room R1, be adjusted to the ink of nozzle
The effect of water meniscus and make the effect of check valve (directional valve) that ink only flows from from second Room R2 to the first Room R1 directions.
Return to Fig. 1, supply pump RP is to the direction of ink flowed in the second supply pipe SR2 and flow velocity (feed speed)
It is adjusted.As the direction of ink flow, ink can be switched to the pros from injector head 11 towards providing ink portion 12
To, and from providing ink portion 12 towards the reciprocal all directions of injector head 11 being supplied.Wherein, when the second supply
The flowing of the ink in pipe SR2 be positive direction when, the flowing of the first supply pipe SR1 ink inside become from providing ink portion 12 to
The direction of the flowing of injector head 11.In addition, when the adjustment of flow velocity is carried out, whether supply pump RP is covered according to cap member described later 42
Jet face 11A, can at least make to positive direction supply ink flow velocity it is variable.In this case, the variable control of flow velocity is by controlling
Device CONT processed is carried out.
Maintenance mechanism MN carries out the maintenance of injector head 11.Maintenance mechanism MN has cap member 42 and drive mechanism ACT.Cap
Part 42 is formed tabular by using such as material such as rubber, elastomer.Cap member 42 is with close with the jet face Ha of head H
The closed surface 42a of conjunction.The jet face Ha of closed surface 42a and head H is opposite disposed.Cap member 42 be formed as cover jet face Ha in extremely
The very little method of the scope of nozzle NZ is defined less.Therefore, become using cap member 42 to the face of nozzle NZ is formed with jet face Ha
Carry out the composition of closely sealed covering.
In the present embodiment, the absorption piece of the ink for spraying for each nozzle 13 received from injector head 11 (is not schemed
Show) it is provided separately with cap member 42.When the state that cap member 42 is kept out of the way from the flight path of the ink sprayed by each nozzle 13,
The absorption piece can be configured on the flight path.In this case, the absorption piece being configured on the flight path of ink connects
By the ink from head.
Drive mechanism ACT makes cap member 42 move between head H.As drive mechanism ACT, can using cam mechanism,
Executive components such as motor mechanism, cylinder mechanism etc..Other executive components can certainly be used.
Fig. 6 is the block diagram of the electrical structure for representing print apparatus PRT.
The print apparatus PRT of present embodiment possesses the control device CONT being controlled to overall action.Control
It is connected with device CONT:The input equipment 59 of the various information related to the action of print apparatus PRT is input into, is stored and is beaten
The storage device 60 of the related various information of the action of print machine device PRT.
Each portion of the print apparatus PRT such as ink injection mechanism IJ, conveying mechanism CR, maintenance mechanism MN and control device
CONT connects.Print apparatus PRT possesses driving signal generator 62, and the driving signal generator 62 is produced to including piezoelectricity unit
The drive signal of the driver element input of part 25.Driving signal generator 62 is connected with control device CONT.
Driving signal generator 62 is transfused to the magnitude of voltage of the ejection pulse to the input of piezoelectric element 25 to injector head 11
The data that are indicated of variable quantity and the time-ofday signals that specified of the moment to making the change in voltage of ejection pulse.Drive
Dynamic signal generator 62 is produced based on the data and time-ofday signals that are transfused to and sprays the drive signals such as pulse.
Then, the action of the print apparatus PRT to constituting as described above is illustrated.
In the case where printing action is carried out based on injector head 11, control device CONT will be recorded by conveying mechanism CR and is situated between
Matter M is configured on seating surface (not shown).After configuration recording medium M, figures of the control device CONT according to image to be printed
As data, from driving signal generator 62 to 25 input drive signal of piezoelectric element.
When piezoelectric element 25 is transfused to drive signal, piezoelectric element 25 stretches, from 13 jet ink of nozzle.Using from spray
The ink of the injection of mouth 13, forms desired image in recording medium M.
As the service action of injector head 11, (capping) action is added a cover.In the case where carrying out adding a cover action,
Cap member 42 is pressed to 11 side of injector head by control device CONT using drive mechanism ACT.By the action, 42 He of cap member is made
Become air-tight state between injector head 11.
When the power supply of print apparatus PRT, the state that maintenance is not used is disconnected, there is storage in providing ink portion 12
Solid state component in ink is separated and is sunk (precipitate), and the solid component concentration of ink becomes uneven situation.And, when such as
This produce the sinking of solid state component, solid component concentration it is uneven when, power supply is again switched on after deenergization to spray ink
Water, when being printed, the solid state component of sinking is intactly supplied to 11 side of injector head, so as to produce following bad feelings
Condition:Cause the spray nozzle clogging of injector head 11, make record quality produce inequality.
Therefore, in order to prevent such unfavorable condition, ink is made to circulate between providing ink portion 12 and injector head 11.Control
Device CONT processed makes the action of supply pump RP, in the second supply pipe SR2 ink inside along positive direction (11 → providing ink of injector head portion
12 direction) or opposite direction (direction → injector head 11 in providing ink portion 12) flowing.
As specific example, as shown in fig. 7, in the shape of the jet face 11A that injector head 11 is covered using cap member 42
Under state, control device CONT drives supply pump RP, so that ink flows along positive direction.By the action, due to becoming first
Room R1 becomes negative pressure, and the sealing V4 of valve VB opens interconnecting part 52, the state that valve cell VU is closed, so from providing ink portion 12
Become the state of connection to injector head 11.Therefore, ink is supplied to injector head 11 from providing ink portion 12 via the first supply pipe SR1
Water.Become negative pressure in the injector head 11 of the upstream side for being now placed in supply pump RP, but due to covering injection using cap member 42
Face 11A, so air will not be flowed into from nozzle 13, also will not spill ink from nozzle 13.Therefore, it is possible to increase the flow velocity of ink
(feed speed), the solid composition of sinking are easily stirred.As the action is in the state of the power on of print apparatus PRT
Under carry out, it is possible to making time needed for the supply of ink be the short time.
In addition, alternatively, it is also possible to as shown in figure 8, not covered by cap member 42 in the jet face 11A of injector head 11
In the state of lid, control device CONT makes the action of supply pump RP, so that ink flows along positive direction.In this case, in order to not
Ink is flowed into from nozzle 13, control device CONT drives supply pump RP, so that the pressure P of inkIBecome dimension in the nozzle 13
Hold the pressure of the meniscus of ink.
In the ink from providing ink portion 12 by the pressure P in the first supply pipe SR1 required for valve cell VUO
For the pressure P that -100Pa, the meniscus in nozzle 13 are maintainedMFor in the case of -200Pa, in liquid driven operation, to by
The feed speed of supply pump RP supply ink is adjusted, so that the pressure P of inkIBecome pressure POWith pressure PMBetween value
(such as -150Pa etc.).Wherein, in the pressure P of ink flowIThan pressure POIn the case of big, as valve cell VU is remained turned-off
State is constant, so ink will not flow.In addition, in the pressure P of ink flowIThan the pressure that the meniscus in nozzle 13 is maintained
PMIn the case that -200Pa is little, the meniscus of ink cannot be kept in nozzle 13, it is impossible to control the ejection of ink exactly
Amount.Thus, preferably P hereM< PI< PO.Above-mentioned each numerical value only one, is not limited to this.
As the providing ink action of the mode shown in Fig. 8, can during the power supply of print apparatus PRT is connected,
And from using injector head 11 to carrying out during different during recording medium M jet ink.Also, it is preferred that carrying out Fig. 7 institutes
The providing ink action of the mode shown and after eliminating the sinking of ink, Fig. 8 is carried out with will not the sink flow velocity of degree of the ink
The providing ink action of shown mode.
In addition, alternatively, it is also possible to as shown in figure 9, not covered by cap member 42 in the jet face 11A of injector head 11
In the state of lid, control device CONT is driven to supply pump RP, so that ink flows along opposite direction.In this case, by
Become pressurized state in the first Room R1, pliability part F is bent to the direction for increasing the volume of the first Room R1, so into
The state of blocking interconnecting part 52 is remain for sealing V4.Therefore, valve cell VU remain off it is constant, in the first supply pipe
The flowing of ink is not produced in SR1.
And, via the ink that the second supply pipe SR2 flows to injector head 11, by from nozzle 13 to injector head 11
It is outside to discharge.Here, as cap member 42 is kept out of the way from the jet path of injector head 11, so the ink discharged is by suction (not shown)
Receive part etc. to receive.In such manner, it is possible to be rinsed (clean) action using the ink from the supply of the second supply pipe SR2 side.
When constantly being printed using injector head 11, there is foreign body and be attached to nozzle 13, or after viscosity increases
Ink is attached to the situation of nozzle 13.In this case, there is at least be arranged in the nozzle 13 of injector head 11
Individual blocking, spray regime become bad situation.For the purpose of as eliminating, the spray regime of nozzle 13 is bad, can carry out
The supply action of the ink shown in Fig. 9.As by the providing ink action, nozzle 13 that can be bad to spray regime is carried out
Cleaning, so not needing the attracting mechanism of cap member 42.It is of course also possible in other purposes, in the case of other, carry out the ink
Supply action.
As described above, according to present embodiment, due to having:The of ink is supplied from providing ink portion 12 to injector head 11
One supply pipe SR1;And be provided separately with first supply pipe SR1, the second confession that injector head 11 is connected with providing ink portion 12
Give pipe SR2;In the state of making cap member 42 closely sealed with injector head 11, using supply pump RP for being arranged at the second supply pipe SR2
Ink is supplied along positive direction, it is possible to ink is supplied in the state of nozzle 13 is closed.Therefore, it is possible to prevent in supply ink
Air is flowed into from nozzle during water.Also, can also prevent from spilling ink from nozzle.
The technical scope of the present invention is not limited to above-mentioned embodiment, can in the main scope without departing from the present invention
It is appropriate to change.
For example, in the above-described embodiment, the printer using line head is illustrated, but is not limited to this,
Can apply the invention in the print apparatus PRT2 using scan-type head as shown in Figure 10 (a).
In addition, being briefly described to the composition of print apparatus PRT2.Print apparatus PRT2 has:Print owner
Body 105, assistant tank 102 and it is equipped with the balladeur train 104 of injector head 103.It is provided with printer main body 105:Make balladeur train 104 reciprocal
Mobile balladeur train travel mechanism 154, the cleaning action of ink from after each nozzle attraction viscosity increase of injector head 103 etc. are made
Capping device 150, and it is stored with via ink supply conduit 134 and the print cartridge 106 of ink to the supply of injector head 103.
The printer main body 105 is provided with the paper advance mechanism (not shown) for feeding recordable paper, and the paper advance mechanism is by paper pushing motor, quilt
Feeding-in roll (not shown) of the paper pushing motor rotation driving etc. is constituted, and is linked with record (typewriting, printing) action, by recording sheet
Passed out on pressing plate 113 successively.
Balladeur train travel mechanism 154 has:Printer main body 105 width set up leading axle 108, motor 109,
Be connected with the rotary shaft of motor 109 and by the driving pulley 110 of 109 rotation driving of motor, and driving pulley 110 be arranged on beat
The rotation idler pulley 111 of the opposition side of the width of print owner body 105, and ride upon driving pulley 110 and rotation idler pulley 111
Between and the Timing Belt 112 that is connected with balladeur train 104, by drive motor 109, balladeur train 104 is along leading axle 108 in main scanning side
Move back and forth upwards.
Capping device 150 is configured in initial (home position) position in printer main body 105.The initial bit
Put the ratio posting field being set in the moving range of balladeur train 104 end regions in the outer part and when power supply disconnects or Jing
Cross where in the case that long-time is not recorded, balladeur train 104 is residing.Print apparatus PRT2 is that the above is such to be constituted.
And, in the above-described embodiment, the composition that injector head 11 is directly connected to providing ink portion 12 is illustrated,
But it is not limited to this.Print cartridge (main tank) 106 and assistant tank 102 can also be prepared as use as shown in Figure 10 (a) and Figure 10 (b)
In the tank of ink reservoir, ink is made to circulate between assistant tank 102 and injector head 103 respectively.In this case, as making ink circulation
Logical circulation road, the first supply pipe SR1 and the second supply pipe SR2 are set, and valve cell VU are configured in the first supply pipe SR1,
Supply pump RP is configured in second supply pipe SR2, thus, it is possible to apply the present invention.
In the above description, ink-jet printer and print cartridge are employed, but it is also possible to beyond spraying or spraying ink
Other liquid liquid injection apparatus and receive the liquid container of the liquid.Can be in the liquid for possessing ejection small quantity drop
Body is applied in spraying first-class various liquid injection apparatus.Wherein, drop refers to from aforesaid liquid injection apparatus the liquid for spraying
State, including the shape of granular, tear shape and thread hangover.In addition, liquid mentioned here, as long as liquid jet dress
Put the material that can be sprayed.
For example, as long as state of the material in liquid phase, not only including the high or low liquid status of viscosity, gel, colloidal sol
Water, other inorganic solvents, organic solvent, solution, fluid resin, stream mode as liquid metal (molten metal), and
In addition to the liquid of a state as material, pigment or metal in being additionally included in solvent, are dissolved, disperse or are mixed with
Liquid of granule of functional material that grain etc. is made up of solid content etc..In addition, as the representational example of liquid, can include
The ink for illustrating in the above-described embodiment or liquid crystal etc..Here, ink include general water-base ink and oily ink and
The various liquid compositions such as sol ink, hot melt.
As the concrete example of liquid injection apparatus, for example, can be that injection is included in liquid crystal in the form of dispersing or dissolving
Show the electrode material used in device, EL (electroluminescent) display, surface light-emitting display, manufacture of color filter etc., colour
The liquid injection apparatus of the liquid of the materials such as material, or the biological organism being injected in used in biochip manufacture
Liquid injection apparatus, injection become the liquid injection apparatus of the liquid of the reagent used as accurate titration, dyeing and printing device with
And differential orchestration etc..
And, it would however also be possible to employ to the oily liquid injection apparatus of the precision optical machinery such as wrist-watch, photographing unit drip-feed lubricating, for shape
Ultraviolet curable resin is sprayed on substrate into small packaged lens (optical lenses) used in optical communication device etc. etc.
Liquid injection apparatus Deng transparent resin liquid, the liquid jet that the etching solutions such as acid or alkali are sprayed to be etched to substrate etc.
Device.Furthermore, it is possible to apply the invention in any one injection apparatus in these.
Claims (11)
1. a kind of liquid injection apparatus, it is characterised in that
The liquid injection apparatus possess:
Jet head liquid, the jet head liquid spray liquid from multiple nozzles;
First path, the first path are described for the public liquid room supply connected to the nozzle with the jet head liquid
Liquid;
Second path, second path are independently arranged with the first path, and form circulating path with the first path;
Valve, the valve are arranged at the first path, can limit the flowing of the liquid in the first path;
Liquid room, the liquid room are arranged at the first path, by the pliability part bent if the pressure change of the first path
Form a part for wall;And
Liquid driven portion, the liquid driven portion are arranged at second path, can make the liquid in the circulating path
Flowing,
Carry out by driving the liquid driven portion so that the liquid in the circulating path is to the volume for making the liquid room
The direction flowing of increase, limits the flowing of the liquid in the first path using the valve, by the liquid from institute
State the discharging operation of nozzle discharge.
2. a kind of liquid injection apparatus, it is characterised in that
The liquid injection apparatus possess:
Jet head liquid, the jet head liquid spray liquid from multiple nozzles;
First path, the first path are described for the public liquid room supply connected to the nozzle with the jet head liquid
Liquid;
Second path, second path are independently arranged with the first path, and form circulating path with the first path;
Valve, the valve are arranged at the first path, can limit the flowing of the liquid in the first path;
Liquid room, the liquid room are arranged at the first path, by the pliability part bent if the pressure change of the first path
Form a part for wall;And
Liquid driven portion, the liquid driven portion are arranged at second path, can make the liquid in the circulating path
Flowing,
The liquid room is arranged at by the public liquid room side compared with the sealing for limiting the valve of flowing of the liquid,
Carry out, by driving the liquid driven portion, making the liquid in the circulating path in second path to court
Flow to the direction of the jet head liquid, the liquid is arranged by the flowing for limiting the liquid using the valve from the nozzle
The discharging operation for going out.
3. liquid injection apparatus according to claim 1 and 2, it is characterised in that
In the state of the flowing that the valve allows the liquid, the liquid is not sprayed to ejection medium in the jet head liquid
During body, drive the liquid driven portion to enter the do action of the liquid circulation in the enforcement circulating path.
4. liquid injection apparatus according to claim 3, it is characterised in that
Possess cap portion, the cap portion covers the formation of the jet head liquid the jet face of the nozzle,
In the state of the jet face being covered with the cap portion, carry out the do action.
5. liquid injection apparatus according to claim 3, it is characterised in that
So that the mode for becoming the pressure of the meniscus for maintaining liquid in the nozzle drives the liquid driven portion to enter
The row do action.
6. liquid injection apparatus according to claim 1 and 2, it is characterised in that
Possess liquid storage part, the liquid storage part is connected with the first path and second path, follow described in composition
A part for endless path, and when the jet head liquid sprays the liquid to ejection medium, store via the first via
The liquid that radially the public liquid room supplies,
And possessing liquid supply path, the liquid supply path is connected with the circulating path, described in storing in fluid cartridge
Liquid is supplied to the jet head liquid via the first path.
7. liquid injection apparatus according to claim 1, it is characterised in that
The liquid room is arranged at by the public liquid room side compared with the sealing for limiting the valve of flowing of the liquid.
8. liquid injection apparatus according to claim 1 and 2, it is characterised in that
The valve is to allow the flowing in the first path towards the liquid in the direction of the jet head liquid, and is limited in this
The check valve of the flowing of liquid of the first path from the jet head liquid towards the valve.
9. liquid injection apparatus according to claim 1 and 2, it is characterised in that
If diminishing from the liquid room to the pressure of the jet head liquid, the valve allows the liquid in the first path
The flowing of body.
10. liquid injection apparatus according to claim 1 and 2, it is characterised in that
Possesses transport path, the transport path has the seating surface of the medium for supporting the injected liquid, and conveys Jie
Matter,
The jet head liquid is arranged according to the mode that can be moved along gravity direction in the top of the seating surface.
11. liquid injection apparatus according to claim 10, it is characterised in that
Possess cap portion, the cap portion covers the formation of the jet head liquid the jet face of the nozzle,
When the liquid is sprayed on the medium, the cap portion retreats to the lower section of the seating surface.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010030432 | 2010-02-15 | ||
JP2010-030432 | 2010-02-15 | ||
JP2010233746A JP5703679B2 (en) | 2010-02-15 | 2010-10-18 | Liquid ejecting apparatus and maintenance method for liquid ejecting apparatus |
JP2010-233746 | 2010-10-18 | ||
CN201110040262.7A CN102161277B (en) | 2010-02-15 | 2011-02-15 | Liquid ejecting apparatus and maintenance method thereof |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110040262.7A Division CN102161277B (en) | 2010-02-15 | 2011-02-15 | Liquid ejecting apparatus and maintenance method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104608499A CN104608499A (en) | 2015-05-13 |
CN104608499B true CN104608499B (en) | 2017-04-12 |
Family
ID=44369369
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110040262.7A Active CN102161277B (en) | 2010-02-15 | 2011-02-15 | Liquid ejecting apparatus and maintenance method thereof |
CN201510067526.6A Active CN104608499B (en) | 2010-02-15 | 2011-02-15 | Liquid ejecting apparatus and maintenance method thereof |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110040262.7A Active CN102161277B (en) | 2010-02-15 | 2011-02-15 | Liquid ejecting apparatus and maintenance method thereof |
Country Status (3)
Country | Link |
---|---|
US (5) | US8602520B2 (en) |
JP (1) | JP5703679B2 (en) |
CN (2) | CN102161277B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744930A (en) * | 2019-11-12 | 2020-02-04 | 联想万像(深圳)科技有限公司 | Laser and ink jet integrated machine |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5703679B2 (en) | 2010-02-15 | 2015-04-22 | セイコーエプソン株式会社 | Liquid ejecting apparatus and maintenance method for liquid ejecting apparatus |
JP5998602B2 (en) * | 2012-04-17 | 2016-09-28 | セイコーエプソン株式会社 | Liquid circulation device and liquid discharge device |
JP6299091B2 (en) * | 2013-06-24 | 2018-03-28 | コニカミノルタ株式会社 | Droplet ejection device and nozzle recovery method for droplet ejection device |
JP6164418B2 (en) * | 2013-10-17 | 2017-07-19 | セイコーエプソン株式会社 | Valve device and liquid injection device |
JP6264888B2 (en) | 2014-01-07 | 2018-01-24 | セイコーエプソン株式会社 | Liquid ejector |
JP6307912B2 (en) | 2014-02-07 | 2018-04-11 | セイコーエプソン株式会社 | Liquid ejector |
US9527302B2 (en) | 2014-07-07 | 2016-12-27 | Seiko Epson Corporation | Liquid ejecting apparatus with pressure adjusting valve |
JP6464808B2 (en) * | 2015-02-23 | 2019-02-06 | セイコーエプソン株式会社 | Liquid ejector |
JP2019051613A (en) * | 2017-09-13 | 2019-04-04 | セイコーエプソン株式会社 | Liquid discharge device and control method of the liquid discharge device |
CN111559173B (en) | 2019-02-13 | 2022-10-21 | 精工爱普生株式会社 | Liquid ejecting apparatus |
JP7424101B2 (en) * | 2020-02-25 | 2024-01-30 | セイコーエプソン株式会社 | Pressure adjustment unit, liquid jet head, and liquid jet device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1672928A (en) * | 2004-03-23 | 2005-09-28 | 佳能株式会社 | Liquid ejection apparatus and liquid processing method |
CN101332714A (en) * | 2007-06-28 | 2008-12-31 | 精工爱普生株式会社 | Fluid ejecting apparatus and method for controlling the same |
CN101537735A (en) * | 2008-03-21 | 2009-09-23 | 精工爱普生株式会社 | Liquid delivery system and manufacturing method for the same |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3391367B2 (en) | 1996-10-28 | 2003-03-31 | セイコーエプソン株式会社 | Ink jet recording apparatus and cleaning method |
JP4233632B2 (en) | 1997-06-11 | 2009-03-04 | キヤノンファインテック株式会社 | Image forming method and apparatus |
DE69943417D1 (en) | 1998-07-15 | 2011-06-16 | Seiko Epson Corp | Ink supply unit |
JP4343573B2 (en) | 2003-04-10 | 2009-10-14 | 芝浦メカトロニクス株式会社 | Coating device and head cleaning method |
US7874656B2 (en) | 2004-12-10 | 2011-01-25 | Canon Finetech Inc. | Ink-feeding device and pressure-generating method |
JP4623717B2 (en) * | 2004-12-10 | 2011-02-02 | キヤノンファインテック株式会社 | Ink supply apparatus and pressure generation method |
JP2006341541A (en) * | 2005-06-10 | 2006-12-21 | Ricoh Co Ltd | Image recorder |
JP4682758B2 (en) * | 2005-09-06 | 2011-05-11 | 富士ゼロックス株式会社 | Droplet discharge device |
JP4830659B2 (en) | 2006-06-16 | 2011-12-07 | 富士ゼロックス株式会社 | Droplet discharge device |
JP4963572B2 (en) * | 2006-07-05 | 2012-06-27 | 富士フイルム株式会社 | Liquid supply apparatus, image forming apparatus, and liquid supply method |
JP2008273027A (en) | 2007-04-27 | 2008-11-13 | Seiko Epson Corp | Liquid feeder and liquid ejector |
US20090002467A1 (en) | 2007-06-28 | 2009-01-01 | Seiko Epson Corporation | Fluid ejecting apparatus and method for controlling the same |
JP2009143087A (en) | 2007-12-13 | 2009-07-02 | Fuji Xerox Co Ltd | Liquid droplet delivering apparatus |
JP2009166358A (en) * | 2008-01-16 | 2009-07-30 | Seiko Epson Corp | Liquid supplying method, liquid supplying system, and liquid jet device |
JP5209431B2 (en) | 2008-09-30 | 2013-06-12 | 富士フイルム株式会社 | Inkjet recording device |
JP5703679B2 (en) * | 2010-02-15 | 2015-04-22 | セイコーエプソン株式会社 | Liquid ejecting apparatus and maintenance method for liquid ejecting apparatus |
JP5488052B2 (en) | 2010-03-01 | 2014-05-14 | セイコーエプソン株式会社 | Liquid ejector |
-
2010
- 2010-10-18 JP JP2010233746A patent/JP5703679B2/en active Active
-
2011
- 2011-02-11 US US13/025,727 patent/US8602520B2/en active Active
- 2011-02-15 CN CN201110040262.7A patent/CN102161277B/en active Active
- 2011-02-15 CN CN201510067526.6A patent/CN104608499B/en active Active
-
2013
- 2013-11-04 US US14/070,933 patent/US9033466B2/en active Active
-
2014
- 2014-12-22 US US14/580,051 patent/US9139015B2/en active Active
-
2015
- 2015-08-17 US US14/828,270 patent/US9296216B2/en active Active
-
2016
- 2016-01-18 US US14/997,840 patent/US9522541B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1672928A (en) * | 2004-03-23 | 2005-09-28 | 佳能株式会社 | Liquid ejection apparatus and liquid processing method |
CN101332714A (en) * | 2007-06-28 | 2008-12-31 | 精工爱普生株式会社 | Fluid ejecting apparatus and method for controlling the same |
CN101537735A (en) * | 2008-03-21 | 2009-09-23 | 精工爱普生株式会社 | Liquid delivery system and manufacturing method for the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744930A (en) * | 2019-11-12 | 2020-02-04 | 联想万像(深圳)科技有限公司 | Laser and ink jet integrated machine |
Also Published As
Publication number | Publication date |
---|---|
US9522541B2 (en) | 2016-12-20 |
US20140055521A1 (en) | 2014-02-27 |
US20150103120A1 (en) | 2015-04-16 |
CN102161277A (en) | 2011-08-24 |
US20110199424A1 (en) | 2011-08-18 |
CN104608499A (en) | 2015-05-13 |
JP2011183795A (en) | 2011-09-22 |
US20150352857A1 (en) | 2015-12-10 |
JP5703679B2 (en) | 2015-04-22 |
US20160129697A1 (en) | 2016-05-12 |
US9033466B2 (en) | 2015-05-19 |
US9139015B2 (en) | 2015-09-22 |
US9296216B2 (en) | 2016-03-29 |
US8602520B2 (en) | 2013-12-10 |
CN102161277B (en) | 2015-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104608499B (en) | Liquid ejecting apparatus and maintenance method thereof | |
CN101568438B (en) | Ink degassing for circulating ink supply systems in ink jet printers | |
JP6268850B2 (en) | Liquid ejector | |
CN101323212B (en) | Fluid supplying apparatus, fluid ejecting apparatus, and fluid supplying method | |
CN102529406A (en) | Liquid ejection device | |
US20080309739A1 (en) | Fluid supplying apparatus, fluid ejecting apparatus, and fluid supplying method | |
CN101844450A (en) | Fluid supply apparatus, fluid ejection apparatus and fluid supply method | |
CN102161274B (en) | Liquid ejecting apparatus | |
JP6112125B2 (en) | Liquid ejector | |
CN105667093A (en) | Liquid ejecting apparatus | |
US9227414B2 (en) | Liquid ejecting apparatus | |
CN202463168U (en) | Liquid spouting device | |
CN202498827U (en) | Liquid ejecting device | |
JP5663971B2 (en) | Fluid ejection device | |
CN202491515U (en) | Liquid ejecting device | |
US20240278568A1 (en) | Liquid ejecting head and liquid ejecting apparatus | |
JP5572950B2 (en) | Fluid ejection device | |
CN202463172U (en) | Liquid spouting device | |
JP2023034642A (en) | Liquid jet device and liquid jet head | |
JP2008221714A (en) | Fluid consumption measuring device for fluid ejection device, fluid ejection device, and fluid consumption measuring method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |